MAL-2025-192438 Malicious code in synium (PyPI)
Malicious package
Published
MAL-2025-192438 is a malicious package: synium (PyPI). Every version was published to cause harm.
Task:
1. Search this repository's dependency manifests and lockfiles for the package, including transitive dependencies.
2. If it is present, remove it, regenerate the lockfile with the project's package manager, and replace whatever it was used for.
3. List any CI runners, developer machines or containers that installed it, so their secrets can be rotated.
4. If the package is not used anywhere, say so and change nothing.
Reference: https://insights.sbomify.com/MAL-2025-192438/ (Markdown: https://insights.sbomify.com/MAL-2025-192438/index.md)
- Package
- synium
- Registry
- PyPI
What is MAL-2025-192438?
MAL-2025-192438 is a malicious package in synium, published on 10 Dec 2025.
Official description
During import, package exfiltrates specific global variables to a remote target in a way typical for infostealers
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2025-12-synium
Reasons (based on the campaign):
exfiltration-credentials
exfiltration-generic
What should I do about MAL-2025-192438?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.